Polar A360 vs. Apple Watch Series 2 vs. Garmin 645 Music vs. Michael Kors Grayson vs. Fitbit Charge vs. Michael Kors Grayson

 
A360
Watch Series 2
645 Music
Grayson
Charge
Grayson
 PolarA360Remove Buy NowAppleWatch Series 2Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$269$450$350$130$350
Release201520162018201820142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days18 hours7 days24 hours7-10 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 80340 x 272 or 390 x 312240 x 240453 x 454NA453x454
Size1.18 inches1.5 inches or 1.65 inches1.2 inches1.39 inchesNA1.39 inches
TouchNA
Typen/aAMOLEDMIPAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305ATM5 ATM1 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables